There is an obvious __________ between the cultures of the West and East.
| A．content | B．contrast |
| C．contract | D．contact |
His mind went so blank that little ______ down for the first ten minutes in the test.
| A．he wrote | B．he will write |
| C．did he write | D．will he write |
---Why was it ______ you were so angry？
---Because we failed to take part in the basketball match.
| A．which | B．that | C．how | D．when |
The Bakers intend to buy a house but _____ must be within their power.
| A．they | B．one | C．it | D．which |
Fully ______in preparing teaching assignment at school，she no longer has much time to enjoy the various activities as usual.
| A．occupy | B．occupying |
| C．occupied | D．to occupy |
---Where is your report of this month？
---Oh sorry，I______ to email to you.
| A．forget | B．have forgotten |
| C．forgot | D．was forgetting |